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Toamasina in September 2026: weather, temperatures and activities

Do you want to visit Toamasina in September 2026? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether September is a good month to travel to Toamasina, Madagascar.

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Is it worth visiting Toamasina in September?

Check your ideal travel criteria and see if the month of September suits your plans to go to Toamasina.
What matters most?
Toamasina in September 2026: weather, temperatures and activities

Page summary

Toamasina in September in summary
Favourable weather
Min 21°C Max 24°C 112 mm 8 day(s) 83% 41% 25°C UV 5 10.1 h/day
Best activities in September
Beach and swimmingCultural visits and heritageAnimal observationDiving and snorkelingNature and landscapesGastronomyBoat trip and cruise
Practical guidelines
High crowding 05:38 17:38
Hourly weather

Average weather in Toamasina in September 2026

Favourable weather

The weather in Toamasina in September 2026 is based on statistical data from previous years in September. This allows you to forecast the weather in September 2026. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Toamasina in September

Temperatures, precipitation and monthly trends help to better understand the climate in Toamasina in September.

Temperatures and rain in Toamasina in September

Average daily weather

Temperatures and rain day by day in September.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of September is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Toamasina in September

Seasonal normals

Seasonal normals of Toamasina in September

Check the seasonal normals in Toamasina in September and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
September
Weather data August September October
Outside temperature
Average temperature 21.7°C 22.3°C 23.9°C
Maximum temperature 23.2°C 23.8°C 25.4°C
Minimum temperature 20.3°C 20.8°C 22.4°C
Record maximum temperature 26.0°C
(2014)
29.0°C
(2021)
31.0°C
(2021)
Record low temperature 17.0°C
(2015)
18.0°C
(2009)
20.0°C
(2009)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 31 day(s)
(100%)
30 day(s)
(100%)
31 day(s)
(100%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 24.6°C 24.4°C 25.0°C
Sea temperature (minimum) 23.6°C 23.7°C 24.4°C
Sea temperature (maximum) 25.3°C 25.4°C 26.1°C
Wind
Wind speed 18 km/h 18 km/h 19 km/h
Wind temperature 20.3°C 20.8°C 22.4°C
Precipitation (rain)
Precipitation 149.5 mm 112.0 mm 122.0 mm
Number of days with precipitation 23 day(s)
(74%)
21 day(s)
(70%)
20 day(s)
(65%)
Number of days with significant precipitation (greater than 5 mm) 10 day(s)
(31%)
8 day(s)
(26%)
6 day(s)
(20%)
Record precipitation in one day 65.9 mm
(2010)
52.8 mm
(2019)
142.9 mm
(2012)
Other weather data
Humidity 83% 83% 84%
Visibility 9.6 km 9.7 km 9.7 km
Cloud cover 42% 41% 38%
UV index 5 5 6
Daily sunshine 9h 10h 10h
Sunrise and sunset
Sunrise time 06h02 05h38 05h14
Sunset time 17h32 17h38 17h43
Day length 11h30 12h00 12h29
Our opinion on the climate in September
The review of Where And When favourable weather favourable weather favourable weather
Activities and events

What to do in Toamasina in September?

Best activities in September
Beach and swimmingCultural visits and heritageAnimal observationDiving and snorkelingNature and landscapesGastronomyBoat trip and cruise
Observed weather

What was the weather like in Toamasina in September last?

Find the observed weather calendar in Toamasina in September 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Patchy rain nearby
21°C24°C1.8 mm
2
Patchy rain nearby
20°C24°C1.2 mm
3
Patchy rain nearby
19°C23°C3.2 mm
4
Patchy rain nearby
20°C24°C0.8 mm
5
Clear/Sunny
18°C25°C0.0 mm
6
Clear/Sunny
19°C24°C0.0 mm
7
Patchy rain nearby
21°C23°C0.3 mm
8
Patchy rain nearby
20°C24°C0.3 mm
9
Clear/Sunny
21°C25°C0.8 mm
10
Patchy rain nearby
21°C24°C0.9 mm
11
Light rain shower
21°C24°C1.8 mm
12
Light rain shower
19°C23°C1.6 mm
13
Patchy rain nearby
20°C24°C0.2 mm
14
Clear/Sunny
18°C23°C0.0 mm
15
Patchy rain nearby
20°C23°C0.4 mm
16
Patchy rain nearby
22°C24°C1.3 mm
17
Patchy rain nearby
22°C25°C0.4 mm
18
Clear/Sunny
22°C25°C0.4 mm
19
Clear/Sunny
20°C25°C0.0 mm
20
Patchy rain nearby
20°C25°C0.1 mm
21
Light rain shower
22°C24°C3.7 mm
22
Patchy rain nearby
21°C22°C3.1 mm
23
Clear/Sunny
20°C24°C0.1 mm
24
Patchy rain nearby
18°C23°C0.1 mm
25
Clear/Sunny
21°C25°C0.0 mm
26
Patchy rain nearby
18°C24°C0.0 mm
27
Clear/Sunny
19°C25°C0.0 mm
28
Clear/Sunny
21°C25°C0.0 mm
29
Clear/Sunny
21°C26°C0.0 mm
30
Clear/Sunny
21°C26°C0.1 mm
Nearby

Where to go near Toamasina in September?

Compare cities and destinations near Toamasina in September to find another travel stop, a nearby alternative or a logical continuation of your stay in Toamasina.

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Every month

Best time to visit Toamasina month by month

Compare the weather in Toamasina across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Toamasina in September: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Yes, it’s a good time. Conditions are favorable in Toamasina in September, which places this month 5th out of 12.

Expect an average of 24°C during the day and 21°C at night, with about 112 mm of precipitation spread over 8 rainy days.

Yes: the sea is 24°C on average in September, a pleasant temperature for swimming.

Expect about 10.1 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Beach and swimming, Cultural visits and heritage, Animal observation and Diving and snorkeling. These are the ones for which the conditions on site are most favourable.

Yes: this month is in High crowding, with a visitor index of 71/100. Book your accommodation and transportation well in advance.

The most favorable months in Toamasina are: May, June, July, August, September, October, November and December. You are therefore already in one of the best times of the year; shifting your plans would not gain you much in terms of weather.
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Temperatures are shown in degrees Celsius and precipitation in millimetres. Based on your country of connection, °F and inches may be more familiar to you.